2017680111

素因数分解:

$3^4\times {\mathrm{1801}}^1\times {\mathrm{13831}}^1$

素因数の和:15644

約数の個数: 20

約数和(自身を含む): 3015956944

約数和(自身を除く): 998276833

約数列:

[1, 3, 9, 27, 81, 1801, 5403, 13831, 16209, 41493, 48627, 124479, 145881, 373437, 1120311, 24909631, 74728893, 224186679, 672560037, 2017680111]

約数ペア:

[(1, 2017680111), (3, 672560037), (9, 224186679), (27, 74728893), (81, 24909631), (1801, 1120311), (5403, 373437), (13831, 145881), (16209, 124479), (41493, 48627)]